C3123223313331322121111331333133313231333132212111113331313233111   >>    C312322331333132212111133133313331323133313221211111333131323311   <<    C3123223313331322121111331333133313231333132212111113331313233113   >>      C3123223313331322121111331333133313231333132212111113331313233112   >>